Tyler Kord, the co-founder of New York City’s No. 7 Sub shops, smokes the French dressing for his asparagus sandwiches over wood chips. This simplified version gets its smokiness from chipotles and smoked salt.

A North-African lamb sausage flavored with the spicy pepper spread harissa, merguez is delicious in sandwiches like these (fresh Mexican chorizo or another spicy sausage will also work well in this recipe).